diff -r 000000000000 -r 1e05558e2206 usbengines/usbotgwatcher/inc/cusbstatehosthandle.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/usbengines/usbotgwatcher/inc/cusbstatehosthandle.h	Thu Dec 17 09:14:30 2009 +0200
@@ -0,0 +1,229 @@
+/*
+* Copyright (c) 2008-2009 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Implements concrete state
+ *
+*/
+
+
+#ifndef C_USBSTATEHOSTHANDLE_H
+#define C_USBSTATEHOSTHANDLE_H
+
+#include "cusbotgwatcher.h"
+#include "cusbstate.h"
+
+#ifndef STIF
+#include "cusbnotifmanager.h"
+#include "cusbtimer.h"
+#else
+#include "mockcusbnotifmanager.h"
+#include "mockcusbtimer.h"
+#endif
+
+/**
+ *  This class implements behaviour when some problem needs vbus drop, and mostly, user action.
+ *
+ */
+NONSHARABLE_CLASS( CUsbStateHostHandle ) : public CUsbState,
+        MWaitNotifierObserver,
+        MUsbTimerObserver
+// this means only one wait notifier at a time can be shown by this state, might be redesigned
+    {
+    friend class CtUsbOtgWatcher;
+    friend class CUsbOtgWatcher;
+
+public:
+
+    /**
+     * Two-phased constructor.
+     * @param aWatcher owner
+     */
+    static CUsbStateHostHandle* NewL(CUsbOtgWatcher* aWatcher);
+
+    /**
+     * Destructor.
+     */
+    virtual ~CUsbStateHostHandle();
+
+    /**
+     * Sets id of the issue to be handled
+     * @param aWhat issue id
+     */
+    void SetWhat(TInt aWhat);
+
+    // from MWaitNotifierObserver
+    /**
+     * Callback when notifier is completed
+     * @param aFeedback how notifier completed
+     */
+    void WaitNotifierCompletedL(TInt aFeedback);
+
+    // From MUsbTimerObserver
+    /**
+     * Call back when timer expired
+     * @param aTimerId timer id
+     */
+    void TimerElapsedL(TUsbTimerId aTimerId);
+
+private:
+
+    // From VBus observer
+    /**
+     * VBus down
+     */
+    void VBusDownL();
+
+    // From OTG state observer
+    /**
+     * Became to Idle when A
+     */
+    void AIdleL();
+    /**
+     * Became a Host when A
+     */
+    void AHostL();
+    /**
+     * Became a peripheral when A
+     */
+    void APeripheralL();
+    /**
+     * VBus error happen
+     */
+    void AVBusErrorL();
+    /**
+     * Became to Idle when B
+     */
+    void BIdleL();
+    /**
+     * Became a peripheral when B
+     */
+    void BPeripheralL();
+    /**
+     * Became a Host when B
+     */
+    void BHostL();
+
+    // From bus activity observer
+    /**
+     * Bus is in idle
+     */
+    void BusIdleL();
+    /**
+     * Bus active
+     */
+    void BusActiveL();
+
+    // From Host Event notification observer
+    /**
+     * Device is attached
+     * @param aInfo Device event data
+     */
+    void DeviceAttachedL(TDeviceEventInformation aInfo);
+    /**
+     * Device is detached
+     * @param aInfo Device event data
+     */
+    void DeviceDetachedL(TDeviceEventInformation aInfo);
+    
+    /**
+      * Drivers successfully loaded
+      * @param aInfo Device event data
+      */
+     virtual void DriverLoadSuccessL(TDeviceEventInformation aInfo);
+     /**
+      * Drivers loaded partially
+      * @param aInfo Device event data
+      */
+     virtual void DriverLoadPartialSuccessL(TDeviceEventInformation aInfo);
+     /**
+      * Drivers loading failed
+      * @param aInfo Device event data
+      */
+     virtual void DriverLoadFailureL(TDeviceEventInformation aInfo);
+
+    // From message notification observer
+    /**
+     * Message received
+     * @param aMessage message id
+     */
+    void MessageNotificationReceivedL(TInt aMessage);
+    /**
+     * Connected to hub in wrong level 
+     */
+    void BadHubPositionL();
+    /**
+     * VBus error happened
+     */
+    void VBusErrorL();
+    /**
+     * SRP request received
+     */
+    void SrpReceivedL();
+    /**
+     * Session request received
+     */
+    void SessionRequestedL();
+
+    /**
+     * Default constructor
+     * @param aWatcher owner
+     */
+    CUsbStateHostHandle(CUsbOtgWatcher* aWatcher);
+
+    /**
+     * 2nd phase construction
+     */
+    void ConstructL();
+
+    //from CUsbState
+    /**
+     * State id
+     * @return state id
+     */
+    TUsbStateIds Id();
+
+    /**
+     * This is called when switched to this state, 
+     * because If all conditions for transition to another state exist, nothing will 
+     * trigger it and transition will not happen. This forces the transition in such cases.
+     *
+     */
+    void JustAdvancedToThisStateL();
+
+    /**
+     * This is called when leaving this state, 
+     *
+     */
+    void JustBeforeLeavingThisStateL();
+
+    /**
+     * handles issue
+     */
+    void DoHandleL();
+
+private:
+    // data
+
+    /**
+     * identifies situation to be handled
+     */
+    TInt iWhat;
+
+    /** 
+     * too much power timer
+     * own
+     */
+    CUsbTimer* iTooMuchPowerTimer;
+    };
+
+#endif //  C_USBSTATEHOSTHANDLE_H